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Running with Power

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Running Stress Score

After each day’s workout, we all wonder — how was my workout today? Have I done enough? Did I push too hard? Indeed, consistent training with the correct load and variety spurs the best physiological improvement; the secret sauce to how top runners build fitness quickly, to run faster. This is why we designed Running Stress Score (RSS), a single number to help runners understand their day-by-day training. It quantifies how much you’ve trained and…